... frequency theory of nerve impulse 冲动频率论 frequency time clock 电频时钟 frequency time control 频率时间控制 ...
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The clock measures the passage of time in millionths of a second by counting the frequency of electromagnetic waves.
这种钟表通过电磁波的频率来计算时间，单位为百万分之一秒。
This is the basis for the well - known cesium clock, presently the standard of frequency and time.
这就是众所周知的铯原子钟的基础，它是目前的频率和时间基准。
A new tool that can test the clock base frequency error of energy measuring devices and provide GPS standard time to calibrate real-time clock was introduced in this paper.
介绍了一种用来测量电能计量装置的时钟基频误差，并提供GPS标准时间以校准其实时时钟的新型工具。
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